BookatlasPiano Rabbit Hole: Improvisation Theory & Practice
5207 / 18210 · Workshop 35 — “Stella by Starlight”: Ambiguous Function, Deceptive Resolutions, Local Key Centers, and Navigating When the Harmony Refuses to Behave← prev⊞ allnext →

35.24Another corridor

B♭ → A → A♭ → G

B♭ → A → A♭ → G

You already know this kind of semitone descent.

It can explain:

  • borrowed harmony
  • dominant substitutions
  • passing chords

depending the bass.

The horizontal line is the unifying reality.